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    <title>Leantime - 为每个人设计的项目管理系统</title>
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    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 px-6">
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            <div class="text-center animate-fadeInUp">
                <h1 class="text-5xl md:text-6xl font-bold mb-6">
                    <i class="fas fa-tasks mr-4"></i>Leantime
                </h1>
                <p class="text-2xl md:text-3xl mb-8 font-light">为每个人设计的项目管理系统</p>
                <p class="text-lg md:text-xl max-w-3xl mx-auto leading-relaxed opacity-90">
                    专为非专业项目经理打造，集战略规划、任务管理和执行于一体。特别考虑神经多样性用户需求，让项目管理变得简单而高效。
                </p>
                <div class="mt-10 flex flex-wrap justify-center gap-4">
                    <a href="https://github.com/Leantime/leantime" target="_blank" class="bg-white text-purple-700 px-8 py-3 rounded-full font-semibold hover:bg-gray-100 transition-colors">
                        <i class="fab fa-github mr-2"></i>访问 GitHub
                    </a>
                    <button class="bg-transparent border-2 border-white px-8 py-3 rounded-full font-semibold hover:bg-white hover:text-purple-700 transition-all">
                        <i class="fas fa-play-circle mr-2"></i>开始使用
                    </button>
                </div>
            </div>
        </div>
    </section>

    <!-- Main Content -->
    <main class="max-w-7xl mx-auto px-6 py-16">
        <!-- Problem Section -->
        <section class="mb-20 animate-fadeInUp">
            <div class="bg-white rounded-2xl shadow-xl p-10">
                <h2 class="text-3xl font-bold mb-8 text-gray-800">
                    <i class="fas fa-puzzle-piece mr-3 feature-icon"></i>它能解决什么问题？
                </h2>
                <div class="prose prose-lg max-w-none">
                    <p class="text-gray-700 leading-relaxed">
                        <span class="drop-cap">许</span>多项目管理工具界面复杂、学习曲线陡峭，或功能冗余，不适合小型团队或非专业项目经理。例如，Jira 的设置繁琐，Trello 缺乏战略规划深度，而这些工具对神经多样性用户（如ADHD患者）可能造成认知负担，难以保持任务优先级清晰或持续动力。
                    </p>
                    <div class="bg-purple-50 border-l-4 border-purple-500 p-6 my-6 rounded-r-lg">
                        <p class="text-purple-900 font-semibold">
                            <i class="fas fa-lightbulb mr-2"></i>Leantime 正是为解决这些问题而生，通过简化的界面、灵活的功能和无障碍设计，帮助用户高效管理项目，同时降低使用门槛。
                        </p>
                    </div>
                </div>
            </div>
        </section>

        <!-- Core Features -->
        <section class="mb-20">
            <h2 class="text-3xl font-bold mb-12 text-center text-gray-800">
                <i class="fas fa-star mr-3 text-gradient"></i>核心功能概述
            </h2>
            <div class="grid md:grid-cols-2 lg:grid-cols-3 gap-8">
                <div class="bg-white rounded-xl shadow-lg p-8 card-hover">
                    <div class="text-4xl mb-4 feature-icon">
                        <i class="fas fa-columns"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">灵活的任务管理视图</h3>
                    <p class="text-gray-600">支持看板、表格和列表视图，包含子任务和依赖关系管理，帮助用户按偏好组织工作，保持清晰和专注。</p>
                </div>
                <div class="bg-white rounded-xl shadow-lg p-8 card-hover">
                    <div class="text-4xl mb-4 feature-icon">
                        <i class="fas fa-bullseye"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">目标导向的规划</h3>
                    <p class="text-gray-600">通过里程碑和目标面板，将任务与时间线或甘特图关联，便于将日常工作与长期目标对齐。</p>
                </div>
                <div class="bg-white rounded-xl shadow-lg p-8 card-hover">
                    <div class="text-4xl mb-4 feature-icon">
                        <i class="fas fa-brain"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">创意与知识管理</h3>
                    <p class="text-gray-600">内置白板和文档整合功能，支持 Google 或 Microsoft 文档，便于头脑风暴和知识集中存储。</p>
                </div>
                <div class="bg-white rounded-xl shadow-lg p-8 card-hover">
                    <div class="text-4xl mb-4 feature-icon">
                        <i class="fas fa-clock"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">时间跟踪与报告</h3>
                    <p class="text-gray-600">通过仪表板或时间表跟踪时间，提供项目进度和工时报告，确保透明度和数据驱动的决策。</p>
                </div>
                <div class="bg-white rounded-xl shadow-lg p-8 card-hover">
                    <div class="text-4xl mb-4 feature-icon">
                        <i class="fas fa-universal-access"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">无障碍设计</h3>
                    <p class="text-gray-600">专为神经多样性用户优化，使用表情符号优先级和直观界面，减少认知负荷。</p>
                </div>
            </div>
        </section>

        <!-- Concept Map -->
        <section class="mb-20 bg-white rounded-2xl shadow-xl p-10">
            <h2 class="text-3xl font-bold mb-8 text-center text-gray-800">
                <i class="fas fa-project-diagram mr-3 text-gradient"></i>功能架构图
            </h2>
            <div class="mermaid">
                graph TD
                    A[Leantime 项目管理系统] --> B[任务管理]
                    A --> C[战略规划]
                    A --> D[协作工具]
                    A --> E[报告分析]
                    A --> F[无障碍设计]
                    
                    B --> B1[看板视图]
                    B --> B2[列表视图]
                    B --> B3[表格视图]
                    B --> B4[子任务管理]
                    
                    C --> C1[里程碑]
                    C --> C2[目标面板]
                    C --> C3[甘特图]
                    
                    D --> D1[白板]
                    D --> D2[文档集成]
                    D --> D3[团队协作]
                    
                    E --> E1[时间跟踪]
                    E --> E2[进度报告]
                    E --> E3[仪表板]
                    
                    F --> F1[表情符号优先级]
                    F --> F2[简洁界面]
                    F --> F3[视觉线索]
                    
                    style A fill:#667eea,stroke:#fff,stroke-width:3px,color:#fff
                    style B fill:#9f7aea,stroke:#fff,stroke-width:2px,color:#fff
                    style C fill:#9f7aea,stroke:#fff,stroke-width:2px,color:#fff
                    style D fill:#9f7aea,stroke:#fff,stroke-width:2px,color:#fff
                    style E fill:#9f7aea,stroke:#fff,stroke-width:2px,color:#fff
                    style F fill:#9f7aea,stroke:#fff,stroke-width:2px,color:#fff
            </div>
        </section>

        <!-- Use Cases -->
        <section class="mb-20">
            <h2 class="text-3xl font-bold mb-12 text-center text-gray-800">
                <i class="fas fa-users mr-3 text-gradient"></i>使用场景
            </h2>
            <div class="space-y-8">
                <div class="bg-gradient-to-r from-purple-50 to-pink-50 rounded-2xl p-8 border-l-4 border-purple-500">
                    <h3 class="text-2xl font-bold mb-4 text-purple-900">
                        <i class="fas fa-rocket mr-2"></i>初创企业管理多项目
                    </h3>
                    <p class="text-gray-700 mb-4">一个小型初创团队需要同时跟踪产品开发和营销活动。Leantime 的看板视图帮助可视化任务，里程碑功能确保交付物与战略目标一致，团队使用白板头脑风暴新功能，高效整理和优先级排序创意。</p>
                    <div class="bg-white bg-opacity-70 rounded-lg p-4 mt-4">
                        <p class="text-purple-800 font-semibold">
                            <i class="fas fa-question-circle mr-2"></i>思考问题：Leantime 的目标导向工具如何帮助你的团队将日常任务与长期目标对齐？
                        </p>
                    </div>
                </div>
                
                <div class="bg-gradient-to-r from-blue-50 to-cyan-50 rounded-2xl p-8 border-l-4 border-blue-500">
                    <h3 class="text-2xl font-bold mb-4 text-blue-900">
                        <i class="fas fa-laptop mr-2"></i>自由职业者管理客户工作
                    </h3>
                    <p class="text-gray-700">一名自由职业设计师同时服务多个客户。Leantime 的客户访问功能便于分享项目进展，时间跟踪确保计费准确，列表视图帮助管理截止日期，表情符号优先级提升工作动力。</p>
                </div>
                
                <div class="bg-gradient-to-r from-green-50 to-emerald-50 rounded-2xl p-8 border-l-4 border-green-500">
                    <h3 class="text-2xl font-bold mb-4 text-green-900">
                        <i class